Ellis Type Aquatic Simple Microscope,Unsigned, ca. 1750's

An Ellis Type Aquatic Simple Microscope, ca. 1750's,

Invented by John Ellis and marketed by John Cuff. Unsigned. Contained in a shagreen covered fitted box with green velvet. Having two objectives, stage forceps, two watch glasses and mirror.

Box dimensions: H: 1 1/4 x W: 5 x D: 4 1/4 in.
Condition: Wear is consistent with age and use. All lots have imperfections or the effects of aging. Gray's Auctioneers shall have no responsibility for any errors or omissions.